Home / 90,010,238.32-124,214,725.16-48,757,130.36

Finding the Fourth Proportional to 90,010,238.32, 124,214,725.16 and 48,757,130.36

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Solution

The fourth proportional to 90,010,238.32, 124,214,725.16 and 48,757,130.36 is: 67,285,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,010,238.32 : 124,214,725.16 = 48,757,130.36 : x
  2. Step 2: Convert to fraction form
    90,010,238.32/124,214,725.16 = 48,757,130.36/x
  3. Step 3: Cross multiply
    90,010,238.32x = 124,214,725.16 × 48,757,130.36
  4. Step 4: Simplify right side
    90,010,238.32x = 6,056,353,547,257,692
  5. Step 5: Solve for x
    x = 6,056,353,547,257,692/90,010,238.32
  6. Step 6: Final answer
    x = 67,285,162.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.